Filed by Duke Energy Corporation
Pursuant to Rule 425 Under the Securities Act of 1933
And Deemed Filed Pursuant to Rule 14a-12
Under the Securities Exchange Act of 1934
Subject Company: Duke Energy Corporation
Commission File No.: 001-32853
Top Tier Leaders of the Combined Company Jim Rogers 18 Member Board of Directors Executive Chairman Bill Johnson President & CEO Chief Integration Officers A.R. Mullinax Paula Sims Lynn Good Chief Financial Officer Dhiaa Jamil Nuclear Generation Mark Mulhern Chief Administrative Officer John McArthur Regulated Utilities Marc Manly General Counsel Jeff Lyash Energy Supply Keith Trent Commercial Businesses Jennifer Weber Chief Human Resources Officer Lloyd Yates Creating the Leading U.S. Utility – January 10, 2011 Customer Operations Progress Energy Duke Energy
Additional Information and Where To Find It This document does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval nor shall there be any sale of offer registration or qualification under the securities laws of any such jurisdiction securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to jurisdiction. In connection with the proposed merger between Duke Energy and Progress Energy, Duke Energy will file with the SEC a Registration Statement on Form S-4 that will include a joint proxy statement of Duke Energy and Progress Energy that also constitutes a prospectus of Duke Energy. Duke Energy and Progress Energy will deliver the joint proxy statement/prospectus to their respective shareholders. Duke Energy and Progress Energy urge investors and shareholders to read the joint proxy statement/prospectus regarding the proposed merger when it becomes available, as well as other documents filed with the SEC, because they will contain important information. You may obtain copies of all documents filed with the SEC regarding this transaction, free of charge, at the SEC’s website (www.sec.gov). You may also obtain these documents, free of charge, from Duke Energy’s website (www.duke-energy.com) under the heading “Investors” and then under the heading “Financials/SEC Filings.” You may also obtain these documents, free of charge, from Progress’ website (www.progress-energy.com) under the tab “Investors” and then under the heading “SEC Filings.” Participants in The Merger Solicitation Duke Energy, Progress Energy, and their respective directors, executive officers and certain other members of management and employees may be soliciting proxies from Duke Energy and Progress Energy shareholders in favor of the merger and related matters. Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of Duke Energy and Progress Energy shareholders in connection with the proposed merger will be set forth in the joint proxy statement/prospectus when it is filed with the SEC. You can find information about Duke Energy’s executive officers and directors in its definitive proxy statement filed with the SEC on March 22, 2010. You can find information about Progress Energy’s executive officers and directors in its definitive proxy statement filed with the SEC on March 31, 2010. Additional information about Duke Energy’s executive officers and directors and Progress Energy’s executive officers and directors can be found in the above referenced Registration Statement on Form S-4 when it becomes available. You can obtain free copies of these documents from Duke Energy and Progress Energy using the contact information above. 2 Creating the Leading U.S. Utility – January 10, 2011 Progress Energy Duke Energy